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Can someone suggest a reliable tool for checking how complex web elements automatically scale down for mobile browsers? I am currently trying to build a basic landing page and need inspiration on how to position navigation menus nicely on a phone. An AU developer group recommended looking at the crown online casino just to study its fast asset loading and responsive grid system under high traffic. Reminds me of the terrible experience I had with a couch delivery in Melbourne last week. Waited in an empty apartment all day, they arrived late, dumped the boxes in the driveway, and drove off without helping.